Toronto saw a 9% reduction in traffic crashes immediately following Canada’s legalization of marijuana, according to a new study being published in the journal Drug and Alcohol Review and published online ahead of print by the US National Library of Medicine.
Conducted by researchers at the Université de Sherbrooke, this study “examines the association between the enactment of Canada’s Cannabis Act (CCA) and the number of cannabis stores (NCS) with traffic injuries in Toronto.”
For the study researchers applied two methods: hybrid difference-in-difference (DID) and hybrid-fuzzy DID. They used “generalised linear models using CCA and the NCS per capita as the main variables of interest”, and “adjusted for precipitation, temperature and snow.”
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